ball cup


  • 翻译:球头座

同义词

1)ball cup,球头座2)Guide-ball,导向球头座3)Ball and socket joint,球窝接头,球座4)ball joint retainer,球接头支承座5)shearout ball seat sub,剪切球座接头6)operating fork ball -end,分离叉球头支座

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